留心 liúxīn HSK7 to be careful Origin Definitions Defs Strokes Stroke Words Sentences Sents 不留心 bùliúxīn careless to not pay attention; to be careless or inattentive留心眼 liúxīnyǎn to be on guard to be on the alert or keep one's eyes open for possible trouble留心眼儿 liúxīnyǎnr to be on the alert to be on the alert; to keep one's eyes open for possible problems or opportunities